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Chapter 5. Configuration Menu
Port Configuration (Port Config)
Port Configuration selects and configures the parameters asso-
ciated with any data port in the unit. For example, parameters
for the DSX-1 (PBX) interface are set through this menu. The
items that can be set depend on which option module is
installed. The list of option ports will vary with the configura-
tion.
The TSU 120 is designed so that any additional ports devel-
oped in the future will contain the appropriate menu selections
to provide access by use of this menu item.
The Config menus for options ports are described in separate
sections of the manual supplied with the option card.
0.1 Nx56/64 Port Configuration (Port Config) Menu Items
There are two major menu items under Nx/DBU configura-
tion: N
offers the DBU feature.
Nx56/64 Menu Items
Menu Item
DS0 RATE
TX CLK CNTRL
5-18
56/64 C
and DBU C
X
ONFIG
This sets the base rate of the interface. The
actual data rate depends on the number of
DS0s assigned to the Nx port.
Choices: 56K, 64K
Controls the clock used by the TSU 120 to
accept transmit (TX) data from the DTE. The
default is normal. If the interface cable is
long, causing a phase shift in the data, the
clock can be selected as Invert. This switches
the phase of the clock which should
compensate for a long cable.
Choices: Normal, Invert
TSU 120 User Manual
. Only the TSU 120e
ONFIG
Description
61202129L1-1
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